The AV Stumpfl VarioClip Lock middle strut is a black frame or system component for the VarioClip Lock series. It has a length of 55.5 cm and a net weight of 1.18 kg. The manufacturer article number is BCM-X/MST/X055,5. The component is supplied as one piece. No projection surface, projection area, aspect ratio, video interface, connector, or lens information is specified.